5. Other Investments (Detail) - (Table 2) Table of Income from Other Investments (USD $)	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011
Income from Cost Method Investments	$ 401,000		$ 69,000
T.G.I.F. Texas, Inc. [Member]
Income from Cost Method Investments	57,000	[1]	41,000	[1]
Real Estate and Related [Member]
Income from Cost Method Investments	223,000	[2]		[2]
Partnership of Diversified Businesses [Member]
Income from Cost Method Investments	121,000		27,000
Other Aggregated Investments [Member]
Income from Cost Method Investments			$ 1,000

[1] This gain represents income from the Company's 49% owned affiliate, T.G.I.F. Texas, Inc. ("TGIF"). The decrease in income is due to decrease net income of TGIF as a result of lower investment income. In December 2011 and 2010 TGIF declared and paid a cash dividend of the Company's portion of which was approximately $168,000 and $140,000. These dividends were recorded as reduction in the investment carrying value as required under the equity method of accounting for investments.

[2] The gain in 2011 consists of cash distributions from an investment in one partnership owning diversified businesses which made cash distributions from the sale or refinancing of operating companies in 2011. The gain in 2010 primarily consists of $209,000 from an investment in one partnership owning diversified businesses which made cash distributions from the sale of operating companies in 2010.